Opal

  
Hyalite opal (fluorescent)
Origin: Spruce Pine District, North Carolina, U.S.A.
Sample size: 26.0 x 16.5 x 4.2 cm
 
  
Origin: Oregon, U.S.A.
Sample size: 15.3 x 11.9 x 9.0 cm
 
  
Hyalite opal on goshenite beryl
Origin: Erongo Mountains, Namibia
Ex. Charlie Key collection
Sample size: 4.0 x 3.8 x 3.6 cm
 
  
  
Opalized limb cast
Origin: Virgin Valley, Nevada
Ex. Charlie Key collection
Sample size: 7.6 x 5.3 x 4.9 cm
 
  
Origin: Queensland, Australia
Sample size: 11.3 x 6.9 x 5.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Andamooka opal fields, Andamooka Ranges - Lake Torrens area, South Australia, Australia
Sample size: 11.9 x 6.5 x 1.3 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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